<template>
  <div :class="{ hidden: hidden }" class="pagination-container">
    <el-pagination
      :background="background"
      :current-page.sync="currentPage"
      :page-size.sync="pageSize"
      :layout="layout"
      :page-sizes="pageSizes"
      :pager-count="pagerCount"
      :total="total"
      v-bind="$attrs"
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
    />
  </div>
</template>

<script>
import { scrollTo } from "@/utils/scroll-to";

export default {
  name: "Pagination",
  props: {
    total: {
      required: true,
      type: Number,
    },
    page: {
      type: Number,
      default: 1,
    },
    limit: {
      type: Number,
      default: 20,
    },
    pageSizes: {
      type: Array,
      default() {
        return [10, 20, 30, 50];
      },
    },
    // 移动端页码按钮的数量端默认值5
    pagerCount: {
      type: Number,
      default: document.body.clientWidth < 992 ? 5 : 7,
    },
    layout: {
      type: String,
      default: "total, sizes, prev, pager, next, jumper",
    },
    background: {
      type: Boolean,
      default: true,
    },
    autoScroll: {
      type: Boolean,
      default: true,
    },
    hidden: {
      type: Boolean,
      default: false,
    },
  },
  data() {
    return {};
  },
  computed: {
    currentPage: {
      get() {
        return this.page;
      },
      set(val) {
        this.$emit("update:page", val);
      },
    },
    pageSize: {
      get() {
        return this.limit;
      },
      set(val) {
        this.$emit("update:limit", val);
      },
    },
  },
  methods: {
    handleSizeChange(val) {
      if (this.currentPage * val > this.total) {
        this.currentPage = 1;
      }
      this.$emit("pagination", { page: this.currentPage, limit: val });
      if (this.autoScroll) {
        scrollTo(0, 800);
      }
    },
    handleCurrentChange(val) {
      this.$emit("pagination", { page: val, limit: this.pageSize });
      if (this.autoScroll) {
        scrollTo(0, 800);
      }
    },
  },
};
</script>

<style lang="scss" scoped>
.pagination-container {
  /* background: #fff; */
  padding: 32px 16px;
}
.pagination-container.hidden {
  display: none;
}
.el-icon-arrow-right {
  color: #ffffff;
}

.el-icon-arrow-left {
  color: #ffffff;
}
.el-pagination {
  color: #ffffff;
  font-family: "AlibabaPuHuiTi-2-55-Regular";
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 18px;
  letter-spacing: 0px;
  .el-pager li {
    background: transparent;
    font-family: "AlibabaPuHuiTi-2-55-Regular";
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
  }
}
::v-deep .el-icon-arrow-right {
  color: #ffffff;
}

::v-deep .el-icon-arrow-left {
  color: #ffffff;
}

::v-deep .el-pagination {
  color: #ffffff;
  font-family: "AlibabaPuHuiTi-2-55-Regular";
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0px;
  .el-pager li {
    background: transparent;
    font-family: "AlibabaPuHuiTi-2-55-Regular";
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #ffffff;
  }
}

::v-deep .el-pager li.btn-quicknext,
::v-deep .el-pager li.btn-quickprev,
::v-deep .el-pager li.btn-quicktatal {
  color: #ffffff;
}

::v-deep .el-pagination__total {
  color: #ffffff;
  font-family: "AlibabaPuHuiTi-2-55-Regular";
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0px;
}
::v-deep .el-pager li.active {
  color: #fff;
  font-family: "AlibabaPuHuiTi-2-55-Regular";
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0px;
  font-weight: bold;
}

::v-deep .el-pagination.is-background .el-pager li:not(.disabled).active {
  color: #005aff !important;
  font-family: "AlibabaPuHuiTi-2-85-Bold";
  font-size: 18px;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0px;
  font-weight: bold;
  background: transparent !important;
}
::v-deep .el-pager li:hover {
  color: #005aff;
}
::v-deep .el-pagination span:not([class*="suffix"]),
.el-pagination button {
  display: inline-block;
  font-size: 18px;
  font-family: "AlibabaPuHuiTi-2-85-Bold";
}
::v-deep .el-pagination {
  .btn-next,
  .btn-prev {
    background: transparent;
  }
}
</style>
